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49261959857 = 1123471908121
BaseRepresentation
bin101101111000001111…
…011101101010110001
311201011011001211212202
4231320033131222301
51301342030203412
634344114432545
73362520515135
oct557017355261
9151134054782
1049261959857
111998a101620
129669892755
134850ba1b96
1425546d33c5
151434bab3c2
hexb783ddab1

49261959857 has 8 divisors (see below), whose sum is σ = 53763245472. Its totient is φ = 44764495200.

The previous prime is 49261959841. The next prime is 49261959913. The reversal of 49261959857 is 75895916294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49261959857 - 24 = 49261959841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49261959793 and 49261959802.

It is not an unprimeable number, because it can be changed into a prime (49261959827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928244 + ... + 979877.

It is an arithmetic number, because the mean of its divisors is an integer number (6720405684).

Almost surely, 249261959857 is an apocalyptic number.

It is an amenable number.

49261959857 is a deficient number, since it is larger than the sum of its proper divisors (4501285615).

49261959857 is a wasteful number, since it uses less digits than its factorization.

49261959857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910479.

The product of its digits is 48988800, while the sum is 65.

The spelling of 49261959857 in words is "forty-nine billion, two hundred sixty-one million, nine hundred fifty-nine thousand, eight hundred fifty-seven".

Divisors: 1 11 2347 25817 1908121 20989331 4478359987 49261959857